In the alteration project of a gymnasium complex building, accessory building and four frame columns supporting the grid roof were removed to construct a stand.
某风雨操场综合楼改造工程拆除了辅助用房及支撑网架屋面的四根框架柱改造成为球场看台。
The wall-rock alteration is complex, and the boundary line between orebody and wall-rock is obvious.
围岩蚀变复杂，矿体与围岩界线明显。
The characteristics of Precambrian basement in Heilongjiang province are complex structures, frequent magmatic activity, intense deformation and alteration and particular metallogenic activity.
黑龙江省前寒武纪基底具有构造复杂、岩浆活动频繁、变形变质强烈、成矿活动特殊等特点。
The characteristics of Precambrian basement in Heilongjiang province are complex structures, frequent magmatic activity, intense deformation and alteration and particular metallogenic activity.
黑龙江省前寒武纪基底具有构造复杂、岩浆活动频繁、变形变质强烈、成矿活动特殊等特点。
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